Take this as an aspiration for how things could be, not a tutorial or promise.
Number (3): Everything in this space must add up to 3. The answer is 0-2, placed vertically; 1-3, placed vertically.
，详情可参考同城约会
5.3 使用 crond 定时任务来检查frpc的运行状态
在手机不能缺席的未来，三星给出的答案